12" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 16in diameter actual front end outer dimensions

actual front end outer dimensions are approximately 14 5/8" width X 34 5/8" height

this elbow features crimped ends for easy fitting and a secure connection

You may think of grilles and registers as a generic component of the ventilation system in your house

And is classified as Class 1 Fire Proof - B1

12" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 16in diameter actual front end outer dimensions+ Product Details Size 12"w X 24"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 26. 5"h] Actual Filter Size 11 3 4"w x 23 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,